diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/icl_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/icl_dsi.c | 289 |
1 files changed, 211 insertions, 78 deletions
diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index 325df29b0447..f8e882101396 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -34,6 +34,7 @@ #include "intel_ddi.h" #include "intel_dsi.h" #include "intel_panel.h" +#include "intel_vdsc.h" static inline int header_credits_available(struct drm_i915_private *dev_priv, enum transcoder dsi_trans) @@ -76,7 +77,7 @@ static enum transcoder dsi_port_to_transcoder(enum port port) static void wait_for_cmds_dispatched_to_panel(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); struct mipi_dsi_device *dsi; enum port port; enum transcoder dsi_trans; @@ -201,7 +202,7 @@ static int dsi_send_pkt_payld(struct intel_dsi_host *host, static void dsi_program_swing_and_deemphasis(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); enum phy phy; u32 tmp; int lane; @@ -266,7 +267,7 @@ static void configure_dual_link_mode(struct intel_encoder *encoder, const struct intel_crtc_state *pipe_config) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); u32 dss_ctl1; dss_ctl1 = I915_READ(DSS_CTL1); @@ -276,7 +277,7 @@ static void configure_dual_link_mode(struct intel_encoder *encoder, if (intel_dsi->dual_link == DSI_DUAL_LINK_FRONT_BACK) { const struct drm_display_mode *adjusted_mode = - &pipe_config->base.adjusted_mode; + &pipe_config->hw.adjusted_mode; u32 dss_ctl2; u16 hactive = adjusted_mode->crtc_hdisplay; u16 dl_buffer_depth; @@ -301,18 +302,31 @@ static void configure_dual_link_mode(struct intel_encoder *encoder, I915_WRITE(DSS_CTL1, dss_ctl1); } -static void gen11_dsi_program_esc_clk_div(struct intel_encoder *encoder) +/* aka DSI 8X clock */ +static int afe_clk(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); + int bpp; + + if (crtc_state->dsc.compression_enable) + bpp = crtc_state->dsc.compressed_bpp; + else + bpp = mipi_dsi_pixel_format_to_bpp(intel_dsi->pixel_format); + + return DIV_ROUND_CLOSEST(intel_dsi->pclk * bpp, intel_dsi->lane_count); +} + +static void gen11_dsi_program_esc_clk_div(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); enum port port; - u32 bpp = mipi_dsi_pixel_format_to_bpp(intel_dsi->pixel_format); - u32 afe_clk_khz; /* 8X Clock */ + int afe_clk_khz; u32 esc_clk_div_m; - afe_clk_khz = DIV_ROUND_CLOSEST(intel_dsi->pclk * bpp, - intel_dsi->lane_count); - + afe_clk_khz = afe_clk(encoder, crtc_state); esc_clk_div_m = DIV_ROUND_UP(afe_clk_khz, DSI_MAX_ESC_CLK); for_each_dsi_port(port, intel_dsi->ports) { @@ -346,7 +360,7 @@ static void get_dsi_io_power_domains(struct drm_i915_private *dev_priv, static void gen11_dsi_enable_io_power(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); enum port port; u32 tmp; @@ -362,7 +376,7 @@ static void gen11_dsi_enable_io_power(struct intel_encoder *encoder) static void gen11_dsi_power_up_lanes(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); enum phy phy; for_each_dsi_phy(phy, intel_dsi->phys) @@ -373,7 +387,7 @@ static void gen11_dsi_power_up_lanes(struct intel_encoder *encoder) static void gen11_dsi_config_phy_lanes_sequence(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); enum phy phy; u32 tmp; int lane; @@ -422,7 +436,7 @@ static void gen11_dsi_config_phy_lanes_sequence(struct intel_encoder *encoder) static void gen11_dsi_voltage_swing_program_seq(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); u32 tmp; enum phy phy; @@ -474,7 +488,7 @@ static void gen11_dsi_voltage_swing_program_seq(struct intel_encoder *encoder) static void gen11_dsi_enable_ddi_buffer(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); u32 tmp; enum port port; @@ -490,10 +504,12 @@ static void gen11_dsi_enable_ddi_buffer(struct intel_encoder *encoder) } } -static void gen11_dsi_setup_dphy_timings(struct intel_encoder *encoder) +static void +gen11_dsi_setup_dphy_timings(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); u32 tmp; enum port port; enum phy phy; @@ -531,7 +547,7 @@ static void gen11_dsi_setup_dphy_timings(struct intel_encoder *encoder) * leave all fields at HW default values. */ if (IS_GEN(dev_priv, 11)) { - if (intel_dsi_bitrate(intel_dsi) <= 800000) { + if (afe_clk(encoder, crtc_state) <= 800000) { for_each_dsi_port(port, intel_dsi->ports) { tmp = I915_READ(DPHY_TA_TIMING_PARAM(port)); tmp &= ~TA_SURE_MASK; @@ -559,7 +575,7 @@ static void gen11_dsi_setup_dphy_timings(struct intel_encoder *encoder) static void gen11_dsi_gate_clocks(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); u32 tmp; enum phy phy; @@ -575,7 +591,7 @@ static void gen11_dsi_gate_clocks(struct intel_encoder *encoder) static void gen11_dsi_ungate_clocks(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); u32 tmp; enum phy phy; @@ -592,7 +608,7 @@ static void gen11_dsi_map_pll(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); struct intel_shared_dpll *pll = crtc_state->shared_dpll; enum phy phy; u32 val; @@ -624,8 +640,8 @@ gen11_dsi_configure_transcoder(struct intel_encoder *encoder, const struct intel_crtc_state *pipe_config) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); - struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->base.crtc); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); + struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->uapi.crtc); enum pipe pipe = intel_crtc->pipe; u32 tmp; enum port port; @@ -641,7 +657,7 @@ gen11_dsi_configure_transcoder(struct intel_encoder *encoder, tmp |= EOTP_DISABLED; /* enable link calibration if freq > 1.5Gbps */ - if (intel_dsi_bitrate(intel_dsi) >= 1500 * 1000) { + if (afe_clk(encoder, pipe_config) >= 1500 * 1000) { tmp &= ~LINK_CALIBRATION_MASK; tmp |= CALIBRATION_ENABLED_INITIAL_ONLY; } @@ -667,22 +683,26 @@ gen11_dsi_configure_transcoder(struct intel_encoder *encoder, /* select pixel format */ tmp &= ~PIX_FMT_MASK; - switch (intel_dsi->pixel_format) { - default: - MISSING_CASE(intel_dsi->pixel_format); - /* fallthrough */ - case MIPI_DSI_FMT_RGB565: - tmp |= PIX_FMT_RGB565; - break; - case MIPI_DSI_FMT_RGB666_PACKED: - tmp |= PIX_FMT_RGB666_PACKED; - break; - case MIPI_DSI_FMT_RGB666: - tmp |= PIX_FMT_RGB666_LOOSE; - break; - case MIPI_DSI_FMT_RGB888: - tmp |= PIX_FMT_RGB888; - break; + if (pipe_config->dsc.compression_enable) { + tmp |= PIX_FMT_COMPRESSED; + } else { + switch (intel_dsi->pixel_format) { + default: + MISSING_CASE(intel_dsi->pixel_format); + /* fallthrough */ + case MIPI_DSI_FMT_RGB565: + tmp |= PIX_FMT_RGB565; + break; + case MIPI_DSI_FMT_RGB666_PACKED: + tmp |= PIX_FMT_RGB666_PACKED; + break; + case MIPI_DSI_FMT_RGB666: + tmp |= PIX_FMT_RGB666_LOOSE; + break; + case MIPI_DSI_FMT_RGB888: + tmp |= PIX_FMT_RGB888; + break; + } } if (INTEL_GEN(dev_priv) >= 12) { @@ -745,6 +765,9 @@ gen11_dsi_configure_transcoder(struct intel_encoder *encoder, case PIPE_C: tmp |= TRANS_DDI_EDP_INPUT_C_ONOFF; break; + case PIPE_D: + tmp |= TRANS_DDI_EDP_INPUT_D_ONOFF; + break; } /* enable DDI buffer */ @@ -763,12 +786,12 @@ gen11_dsi_configure_transcoder(struct intel_encoder *encoder, static void gen11_dsi_set_transcoder_timings(struct intel_encoder *encoder, - const struct intel_crtc_state *pipe_config) + const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); const struct drm_display_mode *adjusted_mode = - &pipe_config->base.adjusted_mode; + &crtc_state->hw.adjusted_mode; enum port port; enum transcoder dsi_trans; /* horizontal timings */ @@ -776,11 +799,25 @@ gen11_dsi_set_transcoder_timings(struct intel_encoder *encoder, u16 hback_porch; /* vertical timings */ u16 vtotal, vactive, vsync_start, vsync_end, vsync_shift; + int mul = 1, div = 1; + + /* + * Adjust horizontal timings (htotal, hsync_start, hsync_end) to account + * for slower link speed if DSC is enabled. + * + * The compression frequency ratio is the ratio between compressed and + * non-compressed link speeds, and simplifies down to the ratio between + * compressed and non-compressed bpp. + */ + if (crtc_state->dsc.compression_enable) { + mul = crtc_state->dsc.compressed_bpp; + div = mipi_dsi_pixel_format_to_bpp(intel_dsi->pixel_format); + } hactive = adjusted_mode->crtc_hdisplay; - htotal = adjusted_mode->crtc_htotal; - hsync_start = adjusted_mode->crtc_hsync_start; - hsync_end = adjusted_mode->crtc_hsync_end; + htotal = DIV_ROUND_UP(adjusted_mode->crtc_htotal * mul, div); + hsync_start = DIV_ROUND_UP(adjusted_mode->crtc_hsync_start * mul, div); + hsync_end = DIV_ROUND_UP(adjusted_mode->crtc_hsync_end * mul, div); hsync_size = hsync_end - hsync_start; hback_porch = (adjusted_mode->crtc_htotal - adjusted_mode->crtc_hsync_end); @@ -886,7 +923,7 @@ gen11_dsi_set_transcoder_timings(struct intel_encoder *encoder, static void gen11_dsi_enable_transcoder(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); enum port port; enum transcoder dsi_trans; u32 tmp; @@ -904,10 +941,11 @@ static void gen11_dsi_enable_transcoder(struct intel_encoder *encoder) } } -static void gen11_dsi_setup_timeouts(struct intel_encoder *encoder) +static void gen11_dsi_setup_timeouts(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); enum port port; enum transcoder dsi_trans; u32 tmp, hs_tx_timeout, lp_rx_timeout, ta_timeout, divisor, mul; @@ -919,7 +957,7 @@ static void gen11_dsi_setup_timeouts(struct intel_encoder *encoder) * TIME_NS = (BYTE_CLK_COUNT * 8 * 10^6)/ Bitrate * ESCAPE_CLK_COUNT = TIME_NS/ESC_CLK_NS */ - divisor = intel_dsi_tlpx_ns(intel_dsi) * intel_dsi_bitrate(intel_dsi) * 1000; + divisor = intel_dsi_tlpx_ns(intel_dsi) * afe_clk(encoder, crtc_state) * 1000; mul = 8 * 1000000; hs_tx_timeout = DIV_ROUND_UP(intel_dsi->hs_tx_timeout * mul, divisor); @@ -955,7 +993,7 @@ static void gen11_dsi_setup_timeouts(struct intel_encoder *encoder) static void gen11_dsi_enable_port_and_phy(struct intel_encoder *encoder, - const struct intel_crtc_state *pipe_config) + const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); @@ -972,13 +1010,13 @@ gen11_dsi_enable_port_and_phy(struct intel_encoder *encoder, gen11_dsi_enable_ddi_buffer(encoder); /* setup D-PHY timings */ - gen11_dsi_setup_dphy_timings(encoder); + gen11_dsi_setup_dphy_timings(encoder, crtc_state); /* step 4h: setup DSI protocol timeouts */ - gen11_dsi_setup_timeouts(encoder); + gen11_dsi_setup_timeouts(encoder, crtc_state); /* Step (4h, 4i, 4j, 4k): Configure transcoder */ - gen11_dsi_configure_transcoder(encoder, pipe_config); + gen11_dsi_configure_transcoder(encoder, crtc_state); /* Step 4l: Gate DDI clocks */ if (IS_GEN(dev_priv, 11)) @@ -988,7 +1026,7 @@ gen11_dsi_enable_port_and_phy(struct intel_encoder *encoder, static void gen11_dsi_powerup_panel(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); struct mipi_dsi_device *dsi; enum port port; enum transcoder dsi_trans; @@ -1025,21 +1063,21 @@ static void gen11_dsi_powerup_panel(struct intel_encoder *encoder) } static void gen11_dsi_pre_pll_enable(struct intel_encoder *encoder, - const struct intel_crtc_state *pipe_config, + const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { /* step2: enable IO power */ gen11_dsi_enable_io_power(encoder); /* step3: enable DSI PLL */ - gen11_dsi_program_esc_clk_div(encoder); + gen11_dsi_program_esc_clk_div(encoder, crtc_state); } static void gen11_dsi_pre_enable(struct intel_encoder *encoder, const struct intel_crtc_state *pipe_config, const struct drm_connector_state *conn_state) { - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); /* step3b */ gen11_dsi_map_pll(encoder, pipe_config); @@ -1050,6 +1088,8 @@ static void gen11_dsi_pre_enable(struct intel_encoder *encoder, /* step5: program and powerup panel */ gen11_dsi_powerup_panel(encoder); + intel_dsc_enable(encoder, pipe_config); + /* step6c: configure transcoder timings */ gen11_dsi_set_transcoder_timings(encoder, pipe_config); @@ -1064,7 +1104,7 @@ static void gen11_dsi_pre_enable(struct intel_encoder *encoder, static void gen11_dsi_disable_transcoder(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); enum port port; enum transcoder dsi_trans; u32 tmp; @@ -1086,7 +1126,7 @@ static void gen11_dsi_disable_transcoder(struct intel_encoder *encoder) static void gen11_dsi_powerdown_panel(struct intel_encoder *encoder) { - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_DISPLAY_OFF); intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_ASSERT_RESET); @@ -1099,7 +1139,7 @@ static void gen11_dsi_powerdown_panel(struct intel_encoder *encoder) static void gen11_dsi_deconfigure_trancoder(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); enum port port; enum transcoder dsi_trans; u32 tmp; @@ -1140,7 +1180,7 @@ static void gen11_dsi_deconfigure_trancoder(struct intel_encoder *encoder) static void gen11_dsi_disable_port(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); u32 tmp; enum port port; @@ -1162,7 +1202,7 @@ static void gen11_dsi_disable_port(struct intel_encoder *encoder) static void gen11_dsi_disable_io_power(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); enum port port; u32 tmp; @@ -1189,7 +1229,7 @@ static void gen11_dsi_disable(struct intel_encoder *encoder, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) { - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); /* step1: turn off backlight */ intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_OFF); @@ -1211,12 +1251,42 @@ static void gen11_dsi_disable(struct intel_encoder *encoder, gen11_dsi_disable_io_power(encoder); } +static void gen11_dsi_post_disable(struct intel_encoder *encoder, + const struct intel_crtc_state *old_crtc_state, + const struct drm_connector_state *old_conn_state) +{ + intel_crtc_vblank_off(old_crtc_state); + + intel_dsc_disable(old_crtc_state); + + skl_scaler_disable(old_crtc_state); +} + +static enum drm_mode_status gen11_dsi_mode_valid(struct drm_connector *connector, + struct drm_display_mode *mode) +{ + /* FIXME: DSC? */ + return intel_dsi_mode_valid(connector, mode); +} + static void gen11_dsi_get_timings(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config) { - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); struct drm_display_mode *adjusted_mode = - &pipe_config->base.adjusted_mode; + &pipe_config->hw.adjusted_mode; + + if (pipe_config->dsc.compressed_bpp) { + int div = pipe_config->dsc.compressed_bpp; + int mul = mipi_dsi_pixel_format_to_bpp(intel_dsi->pixel_format); + + adjusted_mode->crtc_htotal = + DIV_ROUND_UP(adjusted_mode->crtc_htotal * mul, div); + adjusted_mode->crtc_hsync_start = + DIV_ROUND_UP(adjusted_mode->crtc_hsync_start * mul, div); + adjusted_mode->crtc_hsync_end = + DIV_ROUND_UP(adjusted_mode->crtc_hsync_end * mul, div); + } if (intel_dsi->dual_link) { adjusted_mode->crtc_hdisplay *= 2; @@ -1242,22 +1312,66 @@ static void gen11_dsi_get_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_crtc *crtc = to_intel_crtc(pipe_config->base.crtc); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); + + intel_dsc_get_config(encoder, pipe_config); /* FIXME: adapt icl_ddi_clock_get() for DSI and use that? */ pipe_config->port_clock = cnl_calc_wrpll_link(dev_priv, &pipe_config->dpll_hw_state); - pipe_config->base.adjusted_mode.crtc_clock = intel_dsi->pclk; + pipe_config->hw.adjusted_mode.crtc_clock = intel_dsi->pclk; if (intel_dsi->dual_link) - pipe_config->base.adjusted_mode.crtc_clock *= 2; + pipe_config->hw.adjusted_mode.crtc_clock *= 2; gen11_dsi_get_timings(encoder, pipe_config); pipe_config->output_types |= BIT(INTEL_OUTPUT_DSI); pipe_config->pipe_bpp = bdw_get_pipemisc_bpp(crtc); } +static int gen11_dsi_dsc_compute_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config; + int dsc_max_bpc = INTEL_GEN(dev_priv) >= 12 ? 12 : 10; + bool use_dsc; + int ret; + + use_dsc = intel_bios_get_dsc_params(encoder, crtc_state, dsc_max_bpc); + if (!use_dsc) + return 0; + + if (crtc_state->pipe_bpp < 8 * 3) + return -EINVAL; + + /* FIXME: split only when necessary */ + if (crtc_state->dsc.slice_count > 1) + crtc_state->dsc.dsc_split = true; + + vdsc_cfg->convert_rgb = true; + + ret = intel_dsc_compute_params(encoder, crtc_state); + if (ret) + return ret; + + /* DSI specific sanity checks on the common code */ + WARN_ON(vdsc_cfg->vbr_enable); + WARN_ON(vdsc_cfg->simple_422); + WARN_ON(vdsc_cfg->pic_width % vdsc_cfg->slice_width); + WARN_ON(vdsc_cfg->slice_height < 8); + WARN_ON(vdsc_cfg->pic_height % vdsc_cfg->slice_height); + + ret = drm_dsc_compute_rc_parameters(vdsc_cfg); + if (ret) + return ret; + + crtc_state->dsc.compression_enable = true; + + return 0; +} + static int gen11_dsi_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config, struct drm_connector_state *conn_state) @@ -1265,11 +1379,11 @@ static int gen11_dsi_compute_config(struct intel_encoder *encoder, struct intel_dsi *intel_dsi = container_of(encoder, struct intel_dsi, base); struct intel_connector *intel_connector = intel_dsi->attached_connector; - struct intel_crtc *crtc = to_intel_crtc(pipe_config->base.crtc); + struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc); const struct drm_display_mode *fixed_mode = intel_connector->panel.fixed_mode; struct drm_display_mode *adjusted_mode = - &pipe_config->base.adjusted_mode; + &pipe_config->hw.adjusted_mode; pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB; intel_fixed_panel_mode(fixed_mode, adjusted_mode); @@ -1283,8 +1397,17 @@ static int gen11_dsi_compute_config(struct intel_encoder *encoder, else pipe_config->cpu_transcoder = TRANSCODER_DSI_0; + if (intel_dsi->pixel_format == MIPI_DSI_FMT_RGB888) + pipe_config->pipe_bpp = 24; + else + pipe_config->pipe_bpp = 18; + pipe_config->clock_set = true; - pipe_config->port_clock = intel_dsi_bitrate(intel_dsi) / 5; + + if (gen11_dsi_dsc_compute_config(encoder, pipe_config)) + DRM_DEBUG_KMS("Attempting to use DSC failed\n"); + + pipe_config->port_clock = afe_clk(encoder, pipe_config) / 5; return 0; } @@ -1292,15 +1415,21 @@ static int gen11_dsi_compute_config(struct intel_encoder *encoder, static void gen11_dsi_get_power_domains(struct intel_encoder *encoder, struct intel_crtc_state *crtc_state) { - get_dsi_io_power_domains(to_i915(encoder->base.dev), - enc_to_intel_dsi(&encoder->base)); + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + + get_dsi_io_power_domains(i915, + enc_to_intel_dsi(encoder)); + + if (crtc_state->dsc.compression_enable) + intel_display_power_get(i915, + intel_dsc_power_domain(crtc_state)); } static bool gen11_dsi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); enum transcoder dsi_trans; intel_wakeref_t wakeref; enum port port; @@ -1325,6 +1454,9 @@ static bool gen11_dsi_get_hw_state(struct intel_encoder *encoder, case TRANS_DDI_EDP_INPUT_C_ONOFF: *pipe = PIPE_C; break; + case TRANS_DDI_EDP_INPUT_D_ONOFF: + *pipe = PIPE_D; + break; default: DRM_ERROR("Invalid PIPE input\n"); goto out; @@ -1360,7 +1492,7 @@ static const struct drm_connector_funcs gen11_dsi_connector_funcs = { static const struct drm_connector_helper_funcs gen11_dsi_connector_helper_funcs = { .get_modes = intel_dsi_get_modes, - .mode_valid = intel_dsi_mode_valid, + .mode_valid = gen11_dsi_mode_valid, .atomic_check = intel_digital_connector_atomic_check, }; @@ -1577,6 +1709,7 @@ void icl_dsi_init(struct drm_i915_private *dev_priv) encoder->pre_pll_enable = gen11_dsi_pre_pll_enable; encoder->pre_enable = gen11_dsi_pre_enable; encoder->disable = gen11_dsi_disable; + encoder->post_disable = gen11_dsi_post_disable; encoder->port = port; encoder->get_config = gen11_dsi_get_config; encoder->update_pipe = intel_panel_update_backlight; |